Projeto de um sistema de transmissão para um protótipo Fórmula SAE elétrico

Abstract

This work consists of the design of a transmission system for the UTForce team, a student project for the construction of an electric vehicle type “formula” that participates in a national competition. In order to obtain good results in the various evaluations of the competition, the ideal is that the car should be light and the main objective of the new transmission project and have a reduction of 20% in the mass of the system in relation to the previous version. The transmission used was the chain and the set was dimensioned according to the vehicles specifications, to select the best transmission ratio used in the Optimum Lap software, for the mechanical parts used material selection techniques and structural analysis using finite elements no software SolidWorks to obtain the assembly that meets the efforts. The transmission ratio obtained was 9, which was divided into a first stage of 2.25 and a second stage of 4 to reduce space, the material used for the AISI 1045 steel axle and the wheel hub was the 6061-T6 aluminum. With the final assembly and structural analysis, a transmission was established that meets the dimensions and dynamics of the prototype with a 45% reduction in mass.